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https://issues.apache.org/jira/browse/ARROW-1882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276878#comment-16276878
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Wes McKinney commented on ARROW-1882:
-------------------------------------
Sorry about creating extra work for you here, I will be happy to help with
refactoring and trying to increase possible code reuse between the incremental
builder and the kernels. Let me know how I can help otherwise
> [C++] Reintroduce DictionaryBuilder
> -----------------------------------
>
> Key: ARROW-1882
> URL: https://issues.apache.org/jira/browse/ARROW-1882
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Uwe L. Korn
> Priority: Critical
> Fix For: 0.8.0
>
>
> We need the {{DictionaryBuilder}} to incrementally build Arrow Arrays of
> {{DictionaryType}}. The kernels only support en-bloc conversions of Arrays
> which yields a higher memory usage.
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